Banach spaces with the uniform opial property

Weak convergence of the sequence of successive approximations for nonexpansive mappings

Z. Opial · Bulletin of the American Mathematical Society · 1967 · 2.3K citations · Full text

Numerical Analysis, Engineering, Variational Analysis +8

A Fixed Point Theorem for Mappings which do not Increase Distances

W. A. Kirk · American Mathematical Monthly · 1965 · 1K citations

Fixed Point Theorem, Cartography, Increase Distances +1

Some geometric properties related to the fixed point theory for nonexpansive mappings

Jean–Pierre Gossez, E. Lami Dozo · Pacific Journal of Mathematics · 1972 · 258 citations · Full text

Geometric Nature, Nonexpansive Mappings, Banach Space +8

Banach spaces which are nearly uniformly convex

Robert Huff · Rocky Mountain Journal of Mathematics · 1980 · 222 citations · Full text

Existence of fixed points of nonexpansive mappings in a space without normal structure

Les Karlovitz · Pacific Journal of Mathematics · 1976 · 121 citations · Full text